TWI453138B - Protected trolley with head protection structure - Google Patents

Description

Child stroller with head protection

The present invention relates to a stroller, and more particularly to a stroller having a head restraint configuration.

The baby stroller is a common child caregiver with the equipment that the child keeps when going out. In order to meet the needs of the child to lie flat and sleep, the seat of the ordinary baby stroller is backed, and the tilt angle can usually be adjusted to provide the sitting and lying.

However, when the backrest is pivoted downwardly from the sitting position to the flat position, the backrest will protrude from the rear of the child stroller, since the surrounding area of the backrest generally does not have a guardrail higher than the height of the child's head, so the head of the child There is no protective measure in the direction of the department. There are safety concerns when using it. In particular, the stroller may cause the head to move out of the carrying surface of the cart due to the sliding of the child's body during the implementation, resulting in unsafe use.

Therefore, there is a need for a protective measure for the child's head when the lying position is generally increased in the general position of the child and the child, and does not hinder the folding of the baby stroller.

Accordingly, it is an object of the present invention to provide a stroller that provides an easy-to-operate head restraint configuration when the stroller can be converted into a flat-bed use.

In accordance with a preferred embodiment of the present invention, a child stroller having a head restraint configuration includes a frame and a seat and a backrest attached to the frame. The frame includes two side frames, and the seat and the backrest are disposed on the two side frames Between the racks, the backrest member is pivotally displaceable relative to the seat in a sitting position and a flat use position. The stroller further includes a head restraint mechanism disposed between the two side frames, and the head restraint mechanism forms an upwardly extending guard rail along the circumference of the backrest member when the backrest member is in the flat use position.

The effect of the invention is that the head restraint mechanism forms an upwardly extending guard rail around the backrest member to prevent the child's head from moving out of the cart bearing surface of the backrest member for the purpose of protecting the child. Moreover, its operation is simple and convenient, easy to use and close.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the stroller structure of the present invention comprises: a frame 1 and a seat 12 attached to the frame 1 and a backrest 15 according to the first preferred embodiment. And a head enclosure.

The frame 1 includes two side frames 10. Each side frame 10 has a front leg 11, a rear leg 111, a side armrest 14, a hand push tube 13, and a connecting rod 141. The upper ends of the front leg 11 and the rear leg 111 are pivotally connected to the front end of the side armrest 14, and the upper end of the connecting rod 141 is connected to the rear end of the side armrest 14, and the lower end is abutted against the opposite rear leg 111 to maintain the car. The unfolded state of the rack 1. The hand push tube 13 is located outside the side armrest 14, and one end of the hand push tube 13 is connected to the rear leg 111.

The seat 12 is disposed between the front and rear legs 11 and 111 of the two side frames 10, and the backrest member 15 is located inside the side armrest 14 and the connecting rod 141, and the two ends of the backrest member 15 are respectively pivotally connected to the side frame 10. The hand pushes the tube 13 and is close to the rear side of the seat 12. The backrest member 15 is pivotable relative to the seat 12 and is moved between a sitting position (shown in FIG. 3) and a lying use position (shown in FIG. 2) to adjust the backrest member 15 relative to the chair. The angle of inclination of the seat 12 allows the child to ride comfortably. In the present embodiment, the backrest member 15 is a U-shaped tube, and a backing member 15 is sleeved with a cloth 2 to support the child, but the backrest member 15 can also be a plate body, which can also be used with the seat cloth 2.

The head restraint mechanism includes a support member 3 and a fence member 4. The support member 3 is U-shaped in this embodiment and is respectively pivotally disposed at the rear ends of the side armrests 14 of the side frames 10, respectively. The fence member 4 is disposed between the support member 3 and the backrest member 15, that is, the upper and lower edges of the fence member 4 are respectively connected to the support member 3 and the backrest member 15. Referring to FIG. 2, FIG. 4, FIG. 5 and FIG. 6, the support member 3 has a U-shaped rod member 31 and a pivot joint 32 respectively connected to the two ends of the rod member 31. The lever member 31 is detachably coupled to the pivoting seat 32 to facilitate assembly of the fence member 4. The engaging structure will be described in detail by the second preferred embodiment described below. A limiting mechanism is disposed between each pivoting seat 32 and its corresponding side frame 10 to limit the support member 3 in a first position (as shown in FIG. 5) and a second position (shown in FIG. 6). The angle within the range pivots. The limiting mechanism includes a first stopping member 16 and a second stopping member 17 disposed at the rear end of the side armrest 14 of the side frame 10, and a third stopping member 321 disposed at the pivoting seat 32. In this embodiment, the pivoting seat 32 has a body 320, and the third stopping member 321 is a protrusion 321 protruding from the body 320 to the corresponding side frame 10. The first stopping member 16 The second stoppers 17 are respectively an upper stopper 16 and a lower stopper 17 which are spaced apart from each other on the moving path of the projection 321 . Referring to FIG. 5, when the bump 321 abuts the upper stopper 16, the upper stopper 16 restricts the upward movement of the projection 321 and positions the support member 3 at the first position. Referring to FIG. 6, when the bump 321 abuts the lower stopper 17, the lower stopper 17 restricts the projection 321 from moving downward, and the support member 3 is positioned at the second position. 2 and FIG. 3, the backrest member 15 is pivoted inside the support member 3 to avoid interference by the support member 3 during pivoting, and the angle of pivoting of the backrest member 15 is greater than that of the support member 3. As shown in FIG. 3, when the backrest member 15 is in the sitting position, the support member 3 is in the first position, and the backrest member 15 is located on the front side with respect to the support member 3. As shown in Fig. 2, when the backrest member 15 is in the flat use position, the support member 3 is in the second position, and the backrest member 15 is located on the lower side with respect to the support member 3.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the two sides of the fence member 4 are respectively connected with the support member 3 and the backrest member 15 , so when the backrest member 15 pivots relative to the seat 12 , the support member 3 can be used by the fence member 4 . The pivoting is driven, and the pivoting angle of the support member 3 is defined by the limiting mechanism so that it can only pivot between the first position and the second position. When the backrest member 15 is in the sitting position, the support member 3 is in the first position, and the backrest member 15 is located on the front side with respect to the support member 3 to avoid the uncomfortable feeling of riding on the child. When the backrest member 15 is pivoted relative to the seat 12 to the flat use position, one side of the fence member 4 moves along with the backrest member 15, and the support member 3 coupled to the other side is pivoted and positioned. In the second position, the backrest 15 is moved to the underside of the holder 3. Thereby, the support member 3 is located at a certain distance above the backrest member 15, and the fence member 4 is supported by the support member 3 and the backrest member 15, so that the fence member 4 is formed along the periphery of the backrest member 15. An upwardly extending guard rail can prevent the child's head from moving out of the carrying surface of the cart other than the backrest member 15 for the purpose of protecting the child. Moreover, the fence member 4 is stretched to form a guardrail without additional operation, so that it is simple and convenient to use.

When the child stroller is to be folded, the fence member 4 is soft and can be squeezed and folded without occupying space, and the support member 3 can be pivoted to substantially the same angle as the hand push tube 13 and located inside the hand push tube 13 Therefore, it is easy to fold in the direction of the stroller.

Referring to FIG. 7, FIG. 8, and FIG. 9, the second preferred embodiment of the stroller having the head protection structure of the present invention is substantially the same as the first preferred embodiment, and the two ends of the support member 3' are respectively pivoted to a pair. At the rear end of the side armrest 14', however, the limiting mechanism of the second preferred embodiment differs from the first preferred embodiment. Before explaining the difference between the limiting mechanism of the second preferred embodiment and the first preferred embodiment, a specific structure in which the rod member 31' of the holder 3' and the pivoting seat 32' are detachably connected will be described. Referring to FIG. 8 and FIG. 9 , each pivoting seat 32 ′ of the supporting member 3 ′ has a body 320 ′, a slot 324 ′ disposed on the body 320 ′ to receive one end of the rod 31 ′, and located in the slot 324 . A first engaging member (325', 326') on one side. Both ends of the rod member 31' are respectively provided with a second engaging member 311' which is fitted and detachably coupled to the first engaging members (325', 326'). In this embodiment, the first engaging member (325', 326') includes a resilient arm 325' and a locking block 326' protruding from the elastic arm 325' toward the slot 324'. The second engaging member 311 'To fit a hole 311' of the block 326'. Thereby, the lever member 31' is detachably coupled to the pivot seat 32'. When the lever member 31' and the pivoting seat 32' are to be separated, since the elastic arm 325' has elasticity, as long as the card block 326' is pressed, the card block 326' is ejected from the lever member. The perforation 311' of 31' separates the rod member 31' from the pivot socket 32'. When reassembling, the rod member 31' is inserted into the slot 324', and the front end of the rod member 31' can push the card block 326' away, and the block 326' can be returned to the original position by the restoring force of the elastic arm 325'. The engagement action is completed in 311'. The lever member 31' is detachably coupled to the pivoting seat 32' to mount the fence member (not shown in the embodiment, see Fig. 1) on the holder 3'.

The following describes the limiting mechanism of the second preferred embodiment. Referring to FIG. 9, FIG. 10 and FIG. 11, the pivoting seat 32' further has a convex protrusion extending from the inner side surface of the body 320' to the corresponding side frame 10'. The portion 321' is an arcuate limiting groove 322' which is recessed from the inner side of the body 320' and located on the radius of rotation of the pivoting seat 32', and a blocking wall 323' defining one end of the limiting groove 322'. In the second preferred embodiment, the projection 321', the limiting groove 322' and the retaining wall 323' constitute a third stop of the retaining mechanism. Moreover, the first stopping member 16' and the second stopping member 17' are disposed near the pivotal joint of the side frame 10' and the pivoting seat 32', and the first stopping member 16' protrudes from the protruding portion 321' toward An upper stop 16' on the upper moving path, the second stop 17' is a lower stop 17' protruding in the limiting groove 322' and abutting against the blocking wall 323'. Referring to FIG. 7 and FIG. 10, when the backrest member 15' is in the sitting position, the protruding portion 321' abuts against the upper stopper 16', and the upper stopper 16' restricts the protruding portion 321' from moving upward. The holder 3' is positioned in the first position, and the backrest 15' is located on the front side with respect to the holder 3'. Referring to Fig. 11, in the same manner as the first preferred embodiment, when the backrest member 15' is pivoted to the flat use position, the support member 3' is interlocked by the fence member, and the pivot joint 32' is pivoted downward, and the limit is The groove 322' is movable relative to the lower block 17' (in the direction shown in FIG. 9, the limiting groove 322' is rotated counterclockwise with respect to the lower block 17') until the blocking wall 323' abuts against the lower block 17', Stop 17' limit The retaining wall 323' moves downward, and the supporting member 3' is positioned at the second position. At this time, the backrest member 15' is located on the lower side with respect to the supporting member 3' (refer to FIGS. 1, 2, no further illustration), Thus, the support member 3' is located at a distance above the backrest member 15', and the fence member is supported by the support member 3' and the backrest member 15', so that the fence member forms an upwardly extending portion along the backrest member 15'. A guard rail to prevent the head of the child from moving out of the carrying surface of the cart other than the backrest 15' to avoid danger.

In accordance with a preferred embodiment of the foregoing childcare cart of the present invention, the fence member 4 is coupled between the support members 3, 3' and the backrest members 15, 15' when the backrest members 15, 15' are in the lying position. The support members 3, 3' can be linked, and the support members 3, 3' are positioned at a second position at a distance from the backrest members 15, 15' to support the fence member 4 to form a guardrail, which can prevent the child's head The part removes the carrying surface of the cart other than the backrest members 15, 15', so as to protect the child. Moreover, its operation is simple and convenient, easy to use and close.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1‧‧‧ frame

10‧‧‧ side frame

11‧‧‧Front feet

111‧‧‧Back foot

12‧‧‧ seat

13‧‧‧Hand push tube

14‧‧‧ Side handrails

141‧‧‧ Connecting rod

15‧‧‧Backrest

16‧‧‧First stop (upper stop)

17‧‧‧Second stop (lower stop)

2‧‧‧ seat cloth

3‧‧‧Supports

31‧‧‧ rods

32‧‧‧ pivoting seat

320‧‧‧ Ontology

321‧‧‧ Third stop (bump)

4‧‧‧Fences

10’‧‧‧ side frame

14’‧‧‧ Side handrail

15’‧‧‧Backrest

16'‧‧‧First stop (upper stop)

17'‧‧‧Second stop (lower stop)

3'‧‧‧Supports

31’‧‧‧ rods

311’‧‧·Perforation

32’‧‧‧ pivoting seat

320’‧‧‧ Ontology

321'‧‧‧Extension

322’‧‧‧Limited slot

323’‧‧ ‧Block

324’‧‧‧ slots

325’‧‧‧Flexible arm

326’‧‧‧ card block

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing a first preferred embodiment of a stroller having a head restraining structure of the present invention.

Figure 2 is a perspective view similar to Figure 1 with a fence member removed and a backrest member in a flat use position.

Figure 3 is a perspective view showing the back support tube in a sitting position.

Figure 4 is a partially exploded perspective view showing a limit mechanism.

Fig. 5 is a partially enlarged view showing the structural relationship of the stopper mechanism when a holder is positioned at the first position.

Fig. 6 is a partially enlarged view showing the structural relationship of the stopper mechanism when the holder is positioned at the second position.

Fig. 7 is a perspective view showing a coupling relationship between a holder and a side frame of a second preferred embodiment of the stroller having the head protection structure of the present invention.

Fig. 8 is a perspective view showing the support member provided at the rear end of the armrests on both sides.

Fig. 9 is an exploded perspective view of Fig. 8 illustrating the structure of the holder.

Fig. 10 is a partially enlarged view showing the structural relationship of a stopper mechanism when the holder is positioned at the first position.

Fig. 11 is a partially enlarged view showing the structural relationship of the stopper mechanism when the holder is positioned at the second position.

1‧‧‧ frame

10‧‧‧ side frame

11‧‧‧Front feet

111‧‧‧Back foot

12‧‧‧ seat

13‧‧‧Hand push tube

14‧‧‧ Side handrails

141‧‧‧ Connecting rod

15‧‧‧Backrest

2‧‧‧ seat cloth

3‧‧‧Supports

4‧‧‧Fences

Claims (12)

A child stroller having a head protection structure includes a frame, and a seat and a backrest attached to the frame; the frame includes two side frames, and the seat and the backrest Provided between the two side frames, the backrest member is pivotally displaceable relative to the seat in a sitting position and a lying use position; and the child stroller further includes a second side disposed on the two sides a head restraint mechanism between the frames; the head restraint mechanism forms an upwardly extending guard rail along the backrest member when the backrest member is in the lying use position; wherein the head restraint mechanism comprises a support member and a fence member, the support member is disposed between the two side frames, the fence member is made of a soft material, and the two side edges are respectively connected to the support member and the backrest member to be connected to the support member and the fence member Between the backrest members; when the backrest member is in the lying use position, the support member is located at a distance above the backrest member, and the fence member is supported by the support member and the backrest member The guardrail is formed between. A child stroller having a head protection structure according to claim 1, wherein the support member is pivotally connected between the two side frames and rotatable between a first position and a second position. A child stroller having a head protection structure according to claim 2, wherein the support member has a rod member and two pivot joints respectively connected to the two ends of the rod member; each of the pivot joints corresponds thereto A limiting mechanism is disposed between the side frames to limit pivoting of the support member within an angular range defined by the first position and the second position. a child with a head protection structure as described in item 1 of the patent application scope a stroller, wherein each side frame has a front leg, a rear leg, a side armrest, and a connecting rod, and the upper leg and the upper end of the rear leg are pivotally connected to the front end of the side armrest. The rear end of the side armrest is connected to the rear leg by the connecting rod, and the supporting member is connected to the rear end of the side armrest. A child stroller having a head protection structure according to claim 2, wherein when the backrest member is in the sitting position, the support member is located at the first position, and the backrest member is opposite to the child The support member is located on the front side, and when the backrest member is in the lying use position, the support member is located in the second position, and the backrest member is located on the lower side with respect to the support member. A child stroller having a head protection structure according to claim 3, wherein the limiting mechanism includes a first stopper and a second stopper provided on the side frame, and is disposed on a third stopping member of the pivoting seat; the supporting member is positioned at the first position when the third stopping member abuts the first blocking member, and the third blocking member abuts the second blocking member The holder is positioned in the second position. The child stroller having a head protection structure according to claim 6, wherein the pivoting seat has a body, and the third stopping member protrudes from the body toward the corresponding side frame. a first block and a second stop are respectively an upper stop and a lower stop protrudingly spaced apart from the movement path of the third stop; the upper stop restricts the The bump moves upward to position the support member in the first position, and the lower stop restricts the projection from moving downward to position the support member in the second position. a child with a head protection structure as described in item 6 of the patent application scope The cradle has a body, a protrusion extending from the side of the body to the corresponding side frame, a radius of rotation of the body body and a radius of rotation of the pivot seat a curved limiting slot, and a blocking wall defining one end of the limiting slot; and the third blocking member is formed by the protruding portion, the limiting slot and the blocking wall; the first stop An upper stop protruding from the upward moving path of the protruding portion to restrict the protruding portion from moving upward to position the supporting member in the first position; the second stopping member is protruding The lower stop of the retaining wall is abuttable against the retaining wall to restrict the retaining wall from moving downward to position the retaining member in the second position. A child stroller having a head protection structure according to claim 3, wherein each pivoting seat has a first engaging member, and both ends of the lever member are respectively provided with the first engaging member. A second engaging member that is coupled and detachably coupled. A child stroller having a head protection structure according to claim 3, wherein each pivoting seat has a slot, and both ends of the lever member are removably inserted into the slot. . The child stroller having a head protection structure according to claim 10, wherein each of the pivot sockets further has a resilient arm on one side of the slot and a convex arm extending from the elastic arm to the slot a protruding block; the two ends of the rod respectively have a perforation for engaging the block. A child stroller having a head protection structure according to claim 1, wherein the backrest member is located inside the support member.